|Position|Driver / Passenger|Equipment|Points|Wins|Second|Third|
|---|---|---|---|---|---|---|
|1|Daniël Willemsen / Reto Grütter|Zabel-VMC|375|15|—|—|
|2|Jan Hendrickx / Tim Smeuninx|Zabel-VMC|286|—|2|7|
|3|Kristers Sergis / Kaspars Stupelis|KTM-Mefo|242|1|8|1|
|4|Andy Burgler / Martin Betschart|KTM-VMC|196|—|—|2|
|5|Vaclav Rozehnal / Marek Rozehnal|Zabel-VMC|191|—|—|—|
|6|Maris Rupeiks / Haralds Kurpnieks|KTM-AYR|184|—|4|1|
|7|Marco Happich / Meinrad Schelbert|Zabel-VMC|180|—|1|1|
|8|Joris Hendrickx / Eli Piccart|KTM-AYR|177|—|—|1|
|9|Tomas Cermak / Ondrej Cermak|JAWA-Mefo|153|—|—|—|
|10|Janis Daiders / Lauris Daiders|KTM-AYR|148|—|—|—|

Question: what was the number of races that daniel willemsen and reto grutter won?
Answer: 15